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test: 删除反向拆库链，使用真实历史迁移夹具 - #250
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Build upgrade inputs from real migration prefixes, import compatible seed data, and use v1 Sandbox candidates for historical fixtures. Co-authored-by: Codex <codex@openai.com>
Qiyuanqiii
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codex/deduplicate-execution-authority
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October 5, 2026 03:50
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问题与改动
旧迁移测试先创建较新数据库，再依靠长链反向 DDL 模拟历史版本；每次新增迁移都要维护拆表、拆列和触发器恢复。删除全部 128 个反向 DDL 函数及 2 个旧入口，改用已有真实历史 prefix 建库 helper。简单种子直接写入历史库；复杂种子通过测试专用导入器复制可表达的数据，保留 rowid、约束及原有私有历史拒绝条件。
导入只在目标事务中暂时停用并原样恢复插入触发器，失败时整体回滚。迁移 ledger 由真实 prefix 生成，生产迁移没有改动。保留 v166 的真实历史 gate 验证、v170 的独立 raw oracle 和原升级后的行为断言；删除 3 个仅为退役拆库链服务的自测。
真实历史约束还暴露了旧 Sandbox 夹具把 v2 candidate 放进 v131 之前数据库的问题。现在专用种子 Store 创建真正的 v1 candidate，并通过原 writer 同步生成对应 operation fingerprint 和事件，恢复真实旧版本语义。
108 个测试文件，净删 2,995 行。
验证
removeSchemaV*ForTest*定义和调用均为零；改动仅涉及internal/store/*_test.go。依赖 #249，后续 CI 重复步骤与架构状态文档将单独提交。